Home / 64,632.58-89,191.45-36,338.18

Finding the Fourth Proportional to 64,632.58, 89,191.45 and 36,338.18

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Solution

The fourth proportional to 64,632.58, 89,191.45 and 36,338.18 is: 50,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.58 : 89,191.45 = 36,338.18 : x
  2. Step 2: Convert to fraction form
    64,632.58/89,191.45 = 36,338.18/x
  3. Step 3: Cross multiply
    64,632.58x = 89,191.45 × 36,338.18
  4. Step 4: Simplify right side
    64,632.58x = 3,241,054,964.56
  5. Step 5: Solve for x
    x = 3,241,054,964.56/64,632.58
  6. Step 6: Final answer
    x = 50,145.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.